Home / 7,535.50-11,308.11-2,918.50

Finding the Fourth Proportional to 7,535.50, 11,308.11 and 2,918.50

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Solution

The fourth proportional to 7,535.50, 11,308.11 and 2,918.50 is: 4,379.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,535.50 : 11,308.11 = 2,918.50 : x
  2. Step 2: Convert to fraction form
    7,535.50/11,308.11 = 2,918.50/x
  3. Step 3: Cross multiply
    7,535.50x = 11,308.11 × 2,918.50
  4. Step 4: Simplify right side
    7,535.50x = 33,002,719.04
  5. Step 5: Solve for x
    x = 33,002,719.04/7,535.50
  6. Step 6: Final answer
    x = 4,379.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.